Configuring a VPLS Service with CLI
Page 392 7750 SR OS Services Guide
SAP Auto Edge
The SAP
edge-port command is used to instruct STP to dynamically decide whether the SAP is
connected to another bridge.
If auto-edge is enabled, and STP concludes there is no bridge behind the SAP, the OPER_EDGE
variable will dynamically be set to true. If auto-edge is enabled, and a BPDU is received, the
OPER_EDGE variable will dynamically be set to true (see SAP Edge Port on page 391).
Valid values for SAP auto-edge are enabled and disabled with enabled being the default.
CLI Syntax: config>service>vpls>sap>stp#
[no] auto-edge
Default: auto-edge
SAP Link Type
The SAP link-type parameter instructs STP on the maximum number of bridges behind this SAP.
If there is only a single bridge, transitioning to forwarding state will be based on handshaking (fast
transitions). If more than two bridges are connected via a shared media, their SAPs should all be
configured as shared, and timer-based transitions are used.
Valid values for SAP link-type are shared and pt-pt with pt-pt being the default.
CLI Syntax: config>service>vpls>sap>stp#
link-type {pt-pt|shared}
Default: link-type pt-pt
Restore Default: no link-type
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